GEOSPACE TECHNOLOGIES CORP

Ticker: GEOS CUSIP: 37364X109 Class: Common Stock

PRIVATE TRUST CO NA's Holding History (CIK: 0001277557)

Note: Option positions (PUT/CALL) are excluded.

Q3 2014

Shares 22 Value ($000) $1 Avg Close $41.90 Range $34.01 - $55.50

Q2 2014

Shares 22 Value ($000) $1 Avg Close $56.24 Range $41.63 - $66.84

Q1 2014

Shares 22 Value ($000) $1 Avg Close $76.66 Range $60.70 - $94.82

Q4 2013

Shares 28 Value ($000) $3 Avg Close $91.95 Range $79.60 - $107.93

Q3 2013

Shares 28 Value ($000) $2 Avg Close $74.50 Range $66.87 - $84.82

Q2 2013

Shares 28 Value ($000) $2 Avg Close $83.42 Range $65.31 - $108.86

Q1 2013

Shares 28 Value ($000) $2 Avg Close $99.86 Range $82.28 - $113.73

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2014	22	$1	$41.90	$34.01 - $55.50
Q2 2014	22	$1	$56.24	$41.63 - $66.84
Q1 2014	22	$1	$76.66	$60.70 - $94.82
Q4 2013	28	$3	$91.95	$79.60 - $107.93
Q3 2013	28	$2	$74.50	$66.87 - $84.82
Q2 2013	28	$2	$83.42	$65.31 - $108.86
Q1 2013	28	$2	$99.86	$82.28 - $113.73